SIERRA LEONE: 10 Leones (1.7.1980) commemorating banknote in blue-gray, black and blue-green on multicolor unpt with President Siaka P Stevens at left. S/N: "A/1 001276". Red ovpt "COMMEMORATING THE ORGANISATION OF AFRICAN UNITY CONFERENCE FREETOWN 1980" circular around watermark area at right of Pick #8. WMK: Lion head. Printed by TDLR. Inside holder by PMG "Choice Uncirculated 63 / Minor Stains". (Pick 13) & (part of Spink BSL BNP2a).